Louvered Roof Apparatus And Control System

ABSTRACT

A louvered roof assembly includes a pair of support members and several panels mounted between the support members. The panels are pivotally coupled to the support members for rotation about an axis by corresponding pivot pins. Each of the panels has a first end and a second end. One of the pivot pins is coupled to each end of the panels. A linear drive mechanism is coupled to each of the panels. The linear drive mechanism includes a track bar coupled to each of the panels and an actuator mounted to one of the support members and coupled to the track bar. The actuator is configured to move the track bar such that the panels rotate about the axis of their respective pivot pins.

I. RELATED APPLICATIONS

This application claims priority to U.S. Provisional Patent Application Ser. No. 61/640,839, filed on May 1, 2012 and entitled, “Louvered Roof Apparatus and Control System”. The entire contents of which are herein incorporated by reference.

II. TECHNICAL FIELD OF THE INVENTION

This invention relates to the control and configuration of a louvered roof with a series of louvers controlled by a linear drive mechanism.

III. BACKGROUND OF THE INVENTION

Conventionally, louvered roof assemblies generally include a plurality of parallel louvers which are pivotally supported on a frame above a patio or portion of a home. The louvered roof assemblies are adjustable and may be opened or closed from a motor operated by a battery and/or person.

There are numerous deficiencies with louvered roof assemblies that exist today. For example, the louvered roof panels are not configured to close directly onto one another. Another shortcoming is the design of the motors and actuators which move to open and close the panels. Conventional designs fail to offer reasonable maintenance options leaving the owner of such assemblies without a reasonable remedy to correct problems which arise unexpectedly. Another known deficiency is the overlapping surface area of the motor assembly being located within the water flow area of a corresponding assembly gutter. Such a configuration may result in water damage to the motor and a short to any corresponding electrical connectors.

IV. SUMMARY OF THE INVENTION

Example embodiments provide a water resistant and optimized louvered roof system that opens and closes securely and efficiently. The motorized linear drive system ensures durability and long-lasting success to the owner of such a roof system.

According to one embodiment of the present invention, a louvered roof assembly includes a pair of support members and several panels mounted between the support members. The panels are pivotally coupled to the support members for rotation about an axis by corresponding pivot pins. Each of the panels has a first end and a second end. One of the pivot pins is coupled to each end of the panels. A linear drive mechanism is coupled to each of the panels. The linear drive mechanism includes a track bar coupled to each of the panels and an actuator mounted to one of the support members and coupled to the track bar. The actuator is configured to move the track bar such that the panels rotate about the axis of their respective pivot pins.

V. BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 illustrates a louvered roof assembly, according to example embodiments.

FIG. 2A illustrates an exterior top view of the louvered roof assembly in a closed position, according to example embodiments.

FIG. 2B illustrates an exterior top view of a louvered roof assembly in a partially closed position, according to example embodiments.

FIG. 2C illustrates an exterior top view of a louvered roof assembly in an open position, according to example embodiments.

FIG. 3A illustrates an interior view of a louvered roof assembly in an open position, according to example embodiments.

FIG. 3B illustrates an interior view of a louvered roof assembly in a partially opened position, according to example embodiments.

FIG. 3C illustrates an interior view of a louvered roof assembly in a closed position, according to example embodiments.

FIG. 4 illustrates a side view of an individual louvered panel coupled to a support member, according to example embodiments.

FIG. 5 illustrates a front view of an individual louvered panel coupled to a support member, according to example embodiments.

FIG. 6 illustrates a side view of a linear drive assembly, according to example embodiments.

FIG. 7 illustrates a perspective view of a housing, according to example embodiments.

FIG. 8A illustrates a perspective view of an actuator mount, according to example embodiments.

FIG. 8B illustrates a perspective view of a bushing, according to example embodiments.

FIG. 9A illustrates a front perspective view of an arm, according to example embodiments.

FIG. 9B illustrates a rear perspective view of an arm, according to example embodiments.

FIG. 10 illustrates a perspective view of a case, according to example embodiments.

FIG. 11 illustrates a front view of an individual louvered panel coupled to a support member and the arm coupled to the support member and track bar, according to example embodiments.

FIG. 12 illustrates a perspective view of a manual drive mechanism, according to example embodiments.

FIG. 13 illustrates a side view of the manual drive mechanism including a driven arm, according to example embodiments.

FIG. 14 illustrates a perspective view of an alternative connection between the output shaft and the track bar, according to example embodiments.

VI. DETAILED DESCRIPTION OF THE INVENTION

It will be readily understood that the components of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments as represented in the attached figures, is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention.

The features, structures, or characteristics of the invention described throughout this specification may be combined in any suitable manner in one or more embodiments. For example, the usage of the phrases “example embodiments”, “some embodiments”, or other similar language, throughout this specification refers to the fact that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present invention. Thus, appearances of the phrases “example embodiments”, “in some embodiments”, “in other embodiments”, or other similar language, throughout this specification do not necessarily all refer to the same group of embodiments, and the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

FIG. 1 illustrates a louvered roof assembly 100, according to example embodiments. Referring to FIGS. 1, 4 and 5 several elongated rectangular louvered roof panels 110 are shown engaged in a closed position. In the closed position, roof panels 110 protect an underlying area from rain or sunlight. Roof panels 110 have a cross-section that is generally S-shaped. Roof panels 110 have opposed ends 112 and 114. Roof panels 110 are formed with a center wall 116. Rails 118 extend perpendicularly away from center wall 116 on opposite sides of center wall 116. Rails 118 each terminate in a flange or lip 120 that extend perpendicularly away from the rail 118. A pair of pivot pin bores 122 are defined in center wall 116 extending perpendicularly into wall 116 from each panel end 112, 114.

The louver roof panels 110 engage one another via their overlapping respective flanges or lips and form channels 124 through which rainwater can flow to reach the gutters 166 that are located below each of the ends 112, 114.

The louvered roof panels 110 are supported for rotational movement by a pair of elongated support members 160 that are arranged perpendicular to the length of panels 110. One support member 160 supports panel ends 112 and another support member 160 supports panel ends 114. Support members 160 have opposite ends 161 and 162. Support members 160 are formed by the combination of a rectangular shaped beam 164 and an attached gutter 166. Beam 164 includes an outer side 168, inner side 170, top side 172 and bottom side 174. Gutter 166 has an internal trough 167 to carry rainwater and is attached to inner side 170 by screws 165. Support members 160 and roof panels 110 can be formed from suitable materials such as aluminum.

Referring to FIGS. 4 and 5, details of the connection of roof panels 110 to support members 160 are shown. An elongated pivot strip 210 is attached to the inner side 170 of beam 164 by screws 212. An angled lock bar 220 is attached to the pivot strip 210 by screws 222. One lock bar 220 is located at each corresponding end of each panel 110. A pivot pin 230 extends through an aperture in the lock bar 220 and has an end that is received by bore 122. Roof panel 110 rotates or pivots about an axis defined by the length of pivot pin 230. A pivot pin 230 is centered about the width of each of the roof panels 110.

Another bore 240 extends perpendicularly into roof panel end 112 at the junction of rail 118 and flange 120. A track pin 242 extends through an aperture in a track bar 250 and has an end that is received by bore 240. Track bar 250 rotates or pivots about an axis defined by the length of track pin 242. Each of the roof panels 110 is attached to the track bar 250 by a track pin 242.

With reference to FIGS. 2(A-C), 3(A-C) and 6, a linear drive mechanism 300 is shown. Linear drive mechanism 300 comprises a linear actuator 310, an actuator mount 312 and an output shaft 316. Actuator mount 312 (FIG. 8A) is mounted to the top side 172 of beam 164 by screws. A linear actuator 310 is attached to actuator mount 312 by a bolt 313. Linear actuator 310 can rotate about bolt 313. Linear actuator 310 is connected to a power source such as a battery or utility power.

A housing 340 (FIG. 7) has an internal cavity 342. Housing 340 is mounted over linear actuator 310 to protect the actuator and linear drive system from outdoor conditions. Housing 340 is mounted to the top side 172 of beam 164 by screws. Housing 340 protects the linear drive mechanism 300 from the outdoor environment and may be easily removed for maintenance.

Linear actuator 310 has an output shaft 316. Linear actuator 310 can move output shaft 314 in a linear reciprocating manner along an axis generally parallel to the length of support member 160.

Output shaft 316 has a distal end with a thru bore 318. Connecting bolt and bushing 352 extends through an end of arm 350 and through bore 318. Connecting bolt and bushing 352 couples arm 350 to output shaft 316, while allowing rotation between arm 350 and output shaft 316. With additional reference to FIGS. 9A and 9B, arm 350 has an upper rectangular shaped section 360 and a lower hexagonal shaped section 370. Upper section 360 has a hole 362 and an elongated slot 364. Lower section 370 has an aperture 372 that is dimensioned to receive another bushing 374. Bushing 352 is received by hole 362 and is retained to upper section 360.

Referring to FIGS. 8B, 10 and 11, case 380 is mounted to the inner side 170 of beam 166. Case 380 has flanges 382 with apertures 384. Screws extend through apertures 384 are fixed to side 170. Case 380 further has a bushing hole 386. Bushing 374 extends through arm hole 372 and is press fit into bushing hole 386. Bushing head 375 rests against one side of lower section 370. In this manner, arm 350 can rotate about bushing 374. A drive coupling 355 such as a bolt and nut couples the track bar 250 to the arm 350. Drive coupling 355 extends through slot 364 and through a hole in track bar 250. Track bar 250 and arm 350 rotate about drive coupling 355. During operation, drive coupling 355 can slide along the length of slot 364.

Turning back to FIG. 6, louvered roof assembly 100 further includes a control system 400. Control system 400 can cause linear actuator 310 to open and close roof panels 110. Control system 400 includes a controller 410 and a user input device 420. Controller 410 includes an electronic circuit to drive linear actuator 310 and a transceiver that can receive and send signals such as wired or wireless signals 412. Signals 412 can be RF, IR or wired signals.

In one embodiment, user input device 420 is a remote control unit that can send and receive signals such as wireless signals 412 to and from controller 410. User input device 420 has an open button 422 that causes linear actuator 310 to open roof panels 110 and a close button 424 that causes linear actuator 310 to close roof panels 110.

Referring to FIGS. 2(A-C) and 3(A-C), linear drive mechanism 300 can open and close roof panels 110. FIG. 2A illustrates a top view of the louvered roof assembly 100 in a closed position with the individual roof panels 110 in an overlapping arrangement. The track bar 250 runs parallel to the support member 160 and engages each of the louvered panels 110 to provide a secure mounting fixture that connects the track bar 250 with each of the panels 110. As the linear actuator 310 extends, the track bar will shift position and each of the panels 110 will begin to move in unison with one another to open according to the present position of the louver panels.

FIG. 2B illustrates a top view of the louvered roof assembly 100 in a partially open position. In this illustration, the louver panels 110 have been partially opened and the output shaft 316 has begun to shift outside the housing 340. As the linear actuator 310 extends, output shaft 316 pushes on arm 350 causing arm 350 to rotate about bushing 374. At the same time, the movement of arm 350 causes the track bar 250 to move via the connection of coupling 355. The movement of track bar 250, which is connected to roof panels 110 via track pins 242, causes the louver panels 110 to rotate in unison about pivot pins 230.

FIG. 2C illustrates a top view of the louvered roof assembly 100 in a fully open position. Referring to FIG. 2C, the roof panels 110 are in a full and upright position allowing maximum light to pass through the area between the louver panels 110. The linear actuator 310 and track bar 250 are in a fully extended position with track bar 250 shifted above support member 160.

FIG. 3A illustrates a bottom view of the louvered roof assembly 100 in an open position. Referring to FIG. 3A, the track bar 250 and the arm 350 move together to open each of the louver roof panels 110 in unison.

FIG. 3B illustrates a bottom view of the louvered roof assembly 100 in a partially opened position. The louver roof panels 110 are partially closed. In FIG. 3C, the roof panels 110 are in a fully closed overlapping position such that any rainwater accumulates in channels 124 (FIG. 2A) and is directed to gutter trough 167 (FIG. 5).

Turning to FIGS. 12 and 13, according to another example embodiment louvered roof assembly 100 can include a manual drive mechanism 500. Manual drive mechanism 500 replaces the linear drive mechanism 300 previously described. Referring to FIGS. 12 and 13, manual drive mechanism 500 includes a ninety degree gear box 510 that is mounted to the outer side 168 of beam 164 by threaded bolts 512.

Gear box 510 has a housing 514 that contains internal gears 516 and a through shaft 517.

A bolt 518 is connected to the internal gears 516 of gear box 510. Bolt 518 extends outwardly from housing 514. The manual drive mechanism 500 includes an elongated pole 520 with a hooked end 522 that engages the bolt 518. A user can rotate pole 520 to turn the bolt 518 thereby causing through shaft 517 to rotate via the internal gears 516 of gear box 510.

FIG. 13 illustrates details of a manually driven arm 540 used in manual drive mechanism 500. Referring to FIG. 13, case 530 is mounted to the inner side 170 of beam 166. Case 530 has flanges 531 with apertures 532. Screws 534 extend through apertures 532 and are fixed to side 170. Case 530 further has a bushing hole 536. Bushing 374 extends through arm hole 545 and is press fit into bushing hole 536. Arm 540 can rotate about bushing 374.

Driving arm 350 has an upper rectangular shaped end section 550 and a lower semi-circular shaped section 542. Upper section 550 has an elongated slot 552. Lower section 370 has teeth 544 formed on the outer circumferential edge of semi-circular shaped gear 543. A drive coupling 554 such as a bolt and nut couples the track bar 250 to the manually driving arm 540.

Drive coupling 554 extends through slot 552 and through a hole in track bar 250. Track bar 250 and arm 540 can pivot about drive coupling 554. During operation, drive coupling 554 can also slide along the length of slot 552. Roof panels 110 rotate or pivot about an axis defined by the length of pivot pin 230. A pivot pin 230 is centered about the width of each of the roof panels 110.

The distal end of shaft 517 faces into gutter trough 167 and has an attached gear 536 with teeth 538. Gear 538 has a much smaller diameter than gear 543 such that many turns of gear 538 are required to move gear 543 a small amount thereby providing force multiplication.

An operator can elect to manually open or close roof panels 110 using manual drive mechanism 500. In order to open or close roof panels 110, the operator rotates pole 520, turning the bolt 518 thereby causing rotation of through shaft 517 via the internal gears 516 of gear box 510. The rotation of through shaft 517 rotates gear 517, which in turn rotates gear 543 causing arm end 550 to move track bar 250 along an axis generally parallel to support members 160. The movement of arm end 550 causes the track bar 250 to move via the connection of coupling 355. The movement of track bar 250, which is connected to roof panels 110 via track pins 242, causes the louver panels 110 to rotate in unison about pivot pins 230 and move towards either an open or closed position depending upon the rotational direction of bolt 518.

FIG. 14 illustrates an alternative embodiment of a connection between the output shaft 316 and the track bar 250. Triangular shaped arm 610 has an apex 612, a base 614 and a center section 616. Several holes 618 are defined in base 614. Fasteners such as bolts 620 extend through holes 618 and through holes (not shown) in track bar 250. Nuts 622 are threaded onto bolts 620. Bolts 620 and nuts 622 retain arm 610 to track bar 250. Arm 610 is rigidly held to track bar 250

An aperture 624 is located in arm 610 toward apex 612. A connecting rod 626 is mounted through aperture 624. Connecting rod 626 has a headed end that is adjacent to arm 610 and a threaded end 628 that extends through output shaft bore 318 at output shaft end 319. A nut 630 is threaded onto end 628 in order to retain connecting rod 626 to output shaft 316. Connecting rod 626, aperture 624 and bore 318 are sized to allow connecting rod 626 to rotate or pivot within aperture 624 and bore 318. Connecting rod 626 can rotate with respect to arm 620 and can rotate with respect to output shaft 316. Arm 610 provides a connecting link between output shaft 316 and track bar 250 in order to open and close roof panels 110.

It is envisioned that the various embodiments, as separately disclosed, are interchangeable in various aspects, so that elements of one embodiment may be incorporated into one or more of the other embodiments, and that specific positioning of individual elements may necessitate other arrangements not specifically disclosed to accommodate performance requirements or spatial considerations.

It is to be understood that the embodiments and claims are not limited in its application to the details of construction and arrangement of the components set forth in the description and illustrated in the drawings. Rather, the description and the drawings provide examples of the embodiments envisioned, but the claims are limited to the specific embodiments. The embodiments and claims disclosed herein are further capable of other embodiments and of being practiced and carried out in various ways. Also, it is to be understood that the phraseology and terminology employed herein are for the purposes of description and should not be regarded as limiting the claims.

Accordingly, those skilled in the art will appreciate that the conception upon which the application and claims are based may be readily utilized as a basis for the design of other structures, methods, and systems for carrying out the several purposes of the embodiments and claims presented in this application. It is important, therefore, that the claims be regarded as including such equivalent constructions.

Furthermore, the purpose of the foregoing Abstract is to enable the U.S. Patent and Trademark Office and the public generally, and especially including the practitioners in the art who are not familiar with patent and legal terms or phraseology, to determine quickly from a cursory inspection the nature and essence of the technical disclosure of the application. The Abstract is neither intended to define the claims of the application, nor is it intended to be limiting to the scope of the claims in any way. It is intended that the application is defined by the claims appended hereto. 

What is claimed is:
 1. A louvered roof assembly comprising: a plurality of support members; a plurality of panels mounted between the support members and pivotally coupled to the support members for rotation about an axis by a plurality of corresponding pivot pins, each of the panels having a first end and a second end, one of the pivot pins coupled to each end of the panels; and a linear drive mechanism coupled to each of the panels, the linear drive mechanism including a track bar coupled to the each of the panels and an actuator mounted to one of the support members and coupled to the track bar, the actuator configured to move the track bar such that the panels rotate about the axis of their respective pivot pins.
 2. The louvered roof assembly of claim 1, further comprising a plurality of track pins fitted to the first end of each of the panels and coupled to the track bar.
 3. The louvered roof assembly of claim 1, further comprising a housing mounted over the actuator and coupled to one of the support members.
 4. The louvered roof assembly of claim 1, further comprising a lock bar mounted between the support member and each of the pivot pins such that the lock bar supports an end of the pivot pin.
 5. The louvered roof assembly of claim 1, further comprising an arm having a first end pivotally coupled to the support member and a second end pivotally coupled to an output shaft of the actuator.
 6. The louvered roof assembly of claim 5, further comprising the arm having a center section with a slot, the center section pivotally coupled to the track bar by a guide pin extending through the slot.
 7. The louvered roof assembly of claim. 5, further comprising a gear box mounted to the support member and coupled to the arm, the gear box configured to be manually actuated by a user in order to rotate the panels.
 8. A louvered roof assembly comprising: a first support member and a second support member; a plurality of individually rotatable panels supported between the support members and pivotally coupled to the support members for rotation about an axis, each of the panels having a first end and a second end; a plurality of pivot pins coupled to the panels, one of the pivot pins coupled to the first end and another pivot pin coupled to the second end of the panels; a track bar coupled to each of the panels by a plurality of corresponding track pins fitted to the first end of each of the panels; and an actuator mounted to the first support member and further coupled to the track bar, the actuator configured to move the track bar such that the panels rotate about the axis of their respective pivot pins.
 9. The louvered roof assembly of claim 8, wherein the panels have a channel portion and an interlocking lip, the interlocking lip configured to fit into the channel portion when the panels are in a closed position.
 10. The louvered roof assembly of claim 8, further comprising a housing mounted over the actuator and coupled to the first support member.
 11. The louvered roof assembly of claim 8, further comprising a lock bar mounted between the support member and each of the pivot pins such that the lock bar supports an end of the pivot pin.
 12. The louvered roof assembly of claim 8, further comprising an arm having a first end pivotally coupled to the first support member and a second end pivotally coupled to an output shaft of the actuator.
 13. The louvered roof assembly of claim 12, further comprising the arm having a center section with a slot, the center section pivotally coupled to the track bar by a guide pin extending through the slot.
 14. The louvered roof assembly of claim 12, further comprising a gear box mounted to the first support member and coupled to the arm, the gear box having a bolt that is configured to be manually actuated by a user in order to rotate the panels.
 15. A louvered roof assembly comprising: a support member; a plurality of individually rotatable panels pivotally coupled to the support member for rotation about an axis, each of the panels having a first end and a second end; a plurality of pivot pins coupled to the panels, one of the pivot pins coupled to the first end and another pivot pin coupled to the second end of the panels; a track bar coupled to each of the panels by a plurality of corresponding track pins fitted to the first end of each of the panels; and an actuator coupled to the support member and further coupled to the track bar, the actuator configured to move the track bar such that the panels rotate about the axis of their respective pivot pins.
 16. The louvered roof assembly of claim 15, further comprising a controller communicatively coupled to the actuator for controlling the operation of the actuator.
 17. The louvered roof assembly of claim 15, further comprising a lock bar mounted between the support member and each of the pivot pins such that the lock bar supports an end of the pivot pin.
 18. The louvered roof assembly of claim 15, further comprising an arm having a first end pivotally coupled to the support member and a second end pivotally coupled to an output shaft of the actuator.
 19. The louvered roof assembly of claim 18, further comprising the arm having a center section with a slot, the center section pivotally coupled to the track bar by a guide pin extending through the slot.
 20. The louvered roof assembly of claim 18, further comprising a gear box mounted to the support member and coupled to the arm, the gear box having a bolt that is configured to be manually actuated by a user in order to rotate the panels. 